Desa Comfort Glow CGR35NA Owner's Operation And Installation Manual page 31

TROUBLE-
SHOOTING
Continued
100792
If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
OBSERVED
PROBLEM
Heater produces
unwanted odors.
Heater shuts off in
use.
Gas odor even when
control knob is in
OFF position.
Gas odor during
combustion.
WARNING
WARNING ICON G 001
POSSIBLE
CAUSE
1. Heater burning vapors
from paint, hair spray,
glues, etc.
2. Gas leak. See Warn-
ing statement at
top of page.
1. Heater not venting
correctly. Vent safety
switch shuts off
heater.
2. Low line pressure.
3. Pilot partially clogged.
1. Gas leak. See Warn-
ing statement at
top of page.
2. Control valve damaged.
1. Foreign matter be-
tween control valve
and burner.
2. Gas leak. See Warn-
ing statement at
top of page.
3. Foreign fumes in area
of heater being drawn
through burner com-
bustion.
REMEDY
1. Ventilate room. Stop
using odor causing
products while heater is
running.
2. Find and correct all
leaks (see Checking Gas
Connections, page 13).
1. Check venting system.
If damaged or blocked,
repair. If venting
system is OK, have
qualified service person
replace vent safety
switch, wire harness, or
thermocouple inter-
rupter.
2. Contact local natural
gas company.
3. Clean pilot (see Clean-
ing and Maintenance,
page 26).
1. Find and correct all
leaks (see Checking Gas
Connections, page 13).
2. Replace control valve.
1. Take apart gas tubing
and remove foreign
matter.
2. Find and correct all
leaks (see Checking Gas
Connections, page 13).
3. Ventilate area around
heater to remove any
foreign fumes.
31